Kartik Lathiyan
Full Stack Engineer Intern @Arekiv
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WORK HISTORY
Full Stack Engineer Intern @Arekiv
Developing backend services using Node.js, Express.js, and TypeScript, implementing REST APIs and application logic.• Working with MongoDB for schema design, data storage, and query optimization.• Building and maintaining API endpoints for application features and data processing.• Developing frontend features using React.js and Next.js, integrating them with backend APIs.• Using Docker for containerizing backend services and managing development environments.• Collaborating with the development team using Git for version control and code reviews.
EDUCATION
Maa sakumbari University
Bachelor of computer applications
DAV Inter college
PCM
ABOUT KARTIK LATHIYAN
Backend-focused Full Stack Developer with hands-on experience building scalable, secure, and production-oriented systems. I specialize in backend architecture, API design, database modeling, and asynchronous processing, with practical exposure to cloud infrastructure, DevOps workflows, and LLM-powered systems.I have built backend-heavy applications, including SaaS-style platforms and document-aware AI workflows, where the focus was on system correctness, performance, and reliability rather than feature volume.Technical Skill SetBackend: Node.js, NestJS, Express.js, TypeScript, Prisma, REST APIsDatabases: PostgreSQL, MySQL, MongoDB, Vector DatabasesAI / LLM Systems: LangChain, Retrieval-Augmented Generation (RAG), embeddings, LLMsAsync & Caching: Redis,Bullmq, background workersCloud & Infra: AWS, Cloudflare, Docker, LinuxDevOps & Tooling: CI/CD pipelines, Git, GitHub, PostmanFrontend: React.js, Next.js, HTML, CSS, JavaScriptEngineering FocusDesigning clean, modular backend architecturesBuilding scalable APIs with validation, rate limiting, and structured error handlingImplementing asynchronous processing and background workersOptimizing database schemas and query performanceDeveloping document ingestion and vector-based retrieval pipelinesGrounding LLM responses using retrieval-based contextDeploying and maintaining services using Docker, CI/CD, AWS, and CloudflareCollaborating through Git/GitHub workflows and API testing with PostmanI value maintainable, testable code, strong system fundamentals, and learning through real-world implementations.Currently seeking backend-focused or full-stack roles where I can contribute to reliable systems, follow strong engineering practices, and grow as a backend engineer delivering value at scale.
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